package cn.edu.zafu.bigdata.hdb;
    // 数学运算类
    class MathOperations {
        // 返回两个整数的和
        public int add(int a, int b) {
            return a + b;
        }

        // 返回两个浮点数的和
        public double add(double a, double b) {
            return a + b;
        }

        // 返回三个整数的和
        public int add(int a, int b, int c) {
            return a + b + c;
        }
    }

    public class TestMathOperations {
        public static void main(String[] args) {
            MathOperations mathOps = new MathOperations();

            // 测试两个整数相加
            int intSum = mathOps.add(5, 10);
            System.out.println("Sum of 5 and 10 (int): " + intSum);

            // 测试两个浮点数相加
            double doubleSum = mathOps.add(2.5, 3.5);
            System.out.println("Sum of 2.5 and 3.5 (double): " + doubleSum);

            // 测试三个整数相加
            int tripleSum = mathOps.add(1, 2, 3);
            System.out.println("Sum of 1, 2, and 3 (int): " + tripleSum);
        }
    }
